vendor/cmd/go/testdata/src/vetcycle/p.go

package p


type (
	_ interface{ m(B1) }
	A1 interface{ a(D1) }
	B1 interface{ A1 }
	C1 interface{ B1 /* ERROR issue #18395 */ }
	D1 interface{ C1 }
)

var _ A1 = C1 /* ERROR cannot use C1 */ (nil)